package main

func main() {
	var s1 []int
	s2 := []int{}
	var s3 []int = make([]int, 0) //make([]T, length, capacity)  capacity省略,则和length的值相同
	s4 := make([]int, 0, 0)
	s5 := []int{1, 2, 3} //创建切片并初始化
	// make 只能创建slice map channel 并且返回一个有初始值
}
